|
1.
12 – 11 =
2
1
|
2.
17 + 0 =
17
2
|
3.
13 – 9 =
1
4
|
4.
15 – 13 =
2
1
|
|
5.
18 – 11 =
1
7
|
6.
12 – 6 =
6
1
|
7.
9 – 3 =
6
1
|
8.
19 – 3 =
16
2
|
|
9.
14 + 0 =
1
14
|
10.
18 + 2 =
20
2
|
11.
15 – 14 =
2
1
|
12.
5 – 0 =
5
1
|
|
13.
20 – 16 =
4
1
|
14.
1 – 1 =
0
2
|
15.
7 – 3 =
1
4
|
16.
4 + 16 =
2
20
|
|
17.
8 – 3 =
1
5
|
18.
6 – 3 =
3
1
|
19.
14 + 0 =
1
14
|
20.
8 + 9 =
17
2
|
|
1.
12 – 11 =
2
1
|
2.
17 + 0 =
17
2
|
3.
13 – 9 =
1
4
|
4.
15 – 13 =
2
1
|
|
5.
18 – 11 =
1
7
|
6.
12 – 6 =
6
1
|
7.
9 – 3 =
6
1
|
8.
19 – 3 =
16
2
|
|
9.
14 + 0 =
1
14
|
10.
18 + 2 =
20
2
|
11.
15 – 14 =
2
1
|
12.
5 – 0 =
5
1
|
|
13.
20 – 16 =
4
1
|
14.
1 – 1 =
0
2
|
15.
7 – 3 =
1
4
|
16.
4 + 16 =
2
20
|
|
17.
8 – 3 =
1
5
|
18.
6 – 3 =
3
1
|
19.
14 + 0 =
1
14
|
20.
8 + 9 =
17
2
|